RAM® Finger-Grip™ Universal GPS & Radio Mount with Drill-Down Base

Secure your device with confidence in demanding environments using the RAM® Finger-Grip™ Universal Mount with Drill-Down Base. Designed for versatility and durability, this rugged mounting solution holds GPS units, handheld radios, smartphones, Bluetooth speakers, and other portable electronics with ease.

The Finger-Grip™ cradle features adjustable, rubber-coated fingers that firmly grip your device while allowing quick insertion and removal. Paired with RAM’s legendary B-size (1") ball and socket system, this mount delivers near-infinite adjustability for the perfect viewing angle—on the road, off-road, or on the job.

Built from marine-grade aluminum and high-strength composite materials, this mount is made to withstand vibration, shock, and harsh conditions. When you buy from Gadget Mounts, you’re purchasing from an Authorized RAM Mounts Dealer, ensuring genuine products and full manufacturer warranty support.

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Key Features

• Universal Finger-Grip™ holder fits a wide range of GPS units, radios, and mobile devices

• Includes three sets of interchangeable rubber-coated fingers for customized fit

• Optional top and bottom supports add extra stability for taller devices

• 2.5" round drill-down base with universal AMPS hole pattern

• Medium-length RAM® double socket arm for flexible positioning

• RAM® B-size (1") ball and socket system for vibration-damping and adjustability

• Constructed from powder-coated marine-grade aluminum and high-strength composite

• Ideal for vehicles, equipment dashboards, consoles, and flat mounting surfaces

• Made in the USA with a Manufacturer’s Lifetime Warranty

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Device Compatibility & Fitment

Fits devices within the following dimensions:

• Height: Up to 7.25" (with optional supports installed)

• Width: 1.25" – 3.5"

• Maximum Depth: 1.5"

Compatible with many:

• Handheld GPS units

• Two-way radios

• Smartphones

• Bluetooth speakers

• Portable electronics within size range

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Mounting Details

• Base Type: Drill-down round base

• Plate Diameter: 2.5"

• Hole Patterns Supported:

  • 4-Hole AMPS: 1.181" x 1.496"

  • 3-Hole 120-Degree: 1.812" diameter

 Mounting screws not included. Common screw sizes include #8, #10, M4, and M5 depending on surface.

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Specifications

• Ball Size: RAM® B Size (1")

• Arm Length: Medium

  • Overall Length: 3.73"

  • Socket-to-Socket Length: 3"

• Weight Capacity:

  • Standard Use: 2 lbs

  • Heavy-Duty Use: 1 lb

• Materials:

  • Marine-grade aluminum

  • High-strength composite

• Product Weight: 1.05 lbs

• Country of Origin: Made in the USA

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What’s Included

• RAM® Finger-Grip™ universal cradle

• Diamond Base with ball

• Medium-length RAM® B-size double socket arm

• 2.5" round drill-down base with AMPS hole pattern

• Assembly hardware

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Brand and Warranty

• Brand: RAM Mounts

• Part Number: RAM-B-138-UN4

• Warranty: Manufacturer’s Lifetime Warranty

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